*{
margin: 0;
}
a{
    text-decoration:none;
}
ul{
    list-style: none;
}
body{
    opacity: 0;
    transition: all 1s;
}
.head{
    height:60px;
    width: 100%;
    background-color: #007dd2;
}
.head_all{
    margin-left: 50px;
}
.head_p{
    float: left;
}
.tubiao{
    margin-left: 40px;
    width: 60px;
    height: 60px;
}
.head_w{
    margin-left: 50px;
    float: left;
    height: 60px;
}
.head_w li{
    float: left;
    margin-left: 40px;
    height: 26px;
    display:inline-block;
    width: 180px;
    text-align: center;
}
.head_w a:before{
    content: "";
    display: block;
    position: absolute;
    left:0;
    right:0;
    bottom:0;
    width: 0%;
    height: 3px;
    background-color: white;
    margin: auto;
    transition: all 0.5s;
    opacity:0;
}
.head_w a:hover::before{
    width: 200px;
    opacity:1;
}
.head_w a{
    color: white;
    font-family: "STHeiti ";
    font-size: 26px;
    font-weight: bolder;
    text-align: center;
    display: block;
    width: 200px;
    line-height: 60px;
    position: relative;
}
.head_r{
    float: right;
    margin-right: 50px;
    height: 60px;
}
.head_r li{
    float: right;
    margin-left: 40px;
    width: 140px;
    text-align: center;
    margin-top: 5px;
}
.head_r a:before{
    content: "";
    display: block;
    position: absolute;
    left:0;
    right:0;
    bottom:0;
    width: 0%;
    height: 3px;
    background-color: white;
    margin: auto;
    transition: all 0.5s;
    opacity:0;
    transform: translateY(-5px);
}
.head_r a:hover::before{
    width: 140px;
    opacity:1;
}
.head_r a{
    color: white;
    font-family: "STHeiti ";
    font-size: 22px;
    display: block;
    line-height: 60px;
    position: relative;
}
.center_all{
    width: 100%;
    height: 950px;
}
.center_left{
    height: 100%;
    width: 210px;
    background-color: #e9e9e9;
    float: left;
}
.cl_all{
    width: 100%;
    height: 850px;
}
.cl_t{
    margin-top: 50px;
    margin-left: 15px;
    background-color: #007dd2;
    width: 180px;
    height: 101px;
}
.cl_tupian{
    width: 50px;
    height: 75px;
    float: left;
    margin-top: 12px;
    margin-left: 25px;
}
.cl_t ul{
    transform: translate(25px,30px);
    width: 120px;
}
.cl_t li{
    margin-top: 13px;
    font-size: 14px;
    color: white;
}
.cl_t a{
    color: white;
    position: relative;
}
.cl_t a:after{
    content: "";
    display: block;
    position: absolute;
    left:0;
    right:0;
    bottom:0;
    width: 0%;
    height: 3px;
    background-color: white;
    margin: auto;
    transition: all 0.5s;
    opacity:0;
    transform: translateY(5px);
}
.cl_t a:hover:after{
    width: 60px;
    opacity: 1;
}
.cl_b{
    width: 210px;
    margin-top: 50px;
}
.cl_b li{
    width: 210px;
    height: 40px;
    font-size: 20px;
    margin-left: -40px;
    position: relative;
    margin-top: 20px;
}
.cl_b a{
    color: #0d2744;
    line-height: 50px;
    text-align: center;
    display: block;
 }
.cl_b a:before{
    content: "";
    display: block;
    position: absolute;
    left:0;
    right:0;
    bottom:0;
    width: 0%;
    height: 3px;
    background-color: #0d2744;
    margin: auto;
    transition: all 0.5s;
    opacity:0;
    transform: translateY(10px);
}
.cl_b a:hover::before{
    width: 140px;
    opacity:1;
}
.center_html{
    float: left;
    width:100%;
    height: 905px;
    box-sizing:border-box;
    border-left:210px solid transparent;
    margin-top: -950px;
}
.foot{
    position: absolute;
    left: 0px;
    bottom: 0px;
    width: 100%;
    height: 50px;
    background-color: #e9e9e9;
}
.zhizuo{
    margin-left: 80%;
    margin-top: 18px;
}

